Ag Power EOY review #1 2025

An action in which a force applied to an object and causes a displacement of the object

• Power

• Work

• Force

• All of the Above

______ is the international unit of frequency equal to one cycle per second.

• Milliamp

• Micron

• Hertz

• Henry

Three methods of heat transfer are

• conduction, potential, radiation

• potential, kinetic, convection

• conduction, kinetic, convection

• conduction, convection, radiation

What is torque?

• a rotating force

• Pressure per square in

• rotations per minute

• a pulling force

If 1 HP equals 550 lb-ft/sec. what will 2 HP equal in 5 Minutes?

• 550 x 2 x 5 =

  5500 lb-ft/sec

• 550/2 x 5 =

  55 lb-ft/sec

• 2(550 x 300) =

  330000 lb-ft/sec

• (550/2) x 300 =

  82500 lb-ft/sec

An influence that tends to change the motion of an object or causes stress in a stationary object

• Power

• Work

• Force

• All of the Above

Voltage causes electrons to move in a circuit.

• True

• False

Which formula below explains Ohm's Law?

• Power =

  Voltage x current

• Voltage = Power/current

• Resistance =

  Voltage/Current

• Current =

  Power/Resistance

What happens to current when resistance in a circuit decreases?

• The current increases

• The current remains the same

• The current decreases

• The current jumps around

What frequency is the US power grid on?

• 40 Hz

• 50 Hz

• 60 Hz

• 70 Hz